3 years ago

The intersection of a plane and a ray can be a point true or false

Mathematics

2 answers:

mel-nik [20]3 years ago

5 0

Answer nope it’s true

Step-by-step explanation:

blondinia [14]3 years ago

4 0

Answer:

False

Step-by-step explanation:

ya lo hice is false

ya los ayude bros un corazon no

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QUESTION 3 of 10: Stock returns vary from year to year. The more variance a stock displays the greater the potential risk. These

Dahasolnce [82]

Answer:

The variance of these investment returns is 74

Step-by-step explanation:

Given:

Series = 10, 30, 15, 5, 20

To Find:

variance of a series = ?

Solution:

The variance of the series = $Var\left(X\right)=\sum _{i=1}^n\frac{\left(x_i-\bar{x}\right)^2}{n}$

$\bar{x} = \frac{10+30 +5+15 + 20}{5}$

$\bar{x} = \frac{80}{5}$

$\bar{x} =16$

Now $(x_i -\bar{x})^2 =$ $(10 -16)^2 + (30 -16)^2 + (5 -16)^2 +(15 -16)^2 +(20 -16)^2$

= $(-6)^2 + (14)^2 + (-11)^2 + (-1)^2+ (-4)^2$

= 36 + 196 +121 + 1+ 16

= 370

Now

$Var\left(X\right)=\frac{370}{5}$ = 74

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The answer is 45.4545454545

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3,827 x 5/8 is greater then 3,827 or equal to 3,827 or less then 3,827

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3827 x 5/8 is less than 3827

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The slope of the line shown is 2

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Tanisha wants to have $1000 in her bank account in 5 years. How much money should she deposit if her account earns 6% interest w

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Step-by-step explanation:

1000=x (1+0.06)^5

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